Brian Dennehy

The Challenger Disaster is one of those movies – The Social Network and Moneyball are other fairly recent examples – that manage to wring gripping, suspenseful drama from a subject that wouldn’t seem to inspire it. The film, which premieres on Science Channel on Saturday night at 9, recounts the true story of the Rogers Commission, the presidentially appointed group that investigated the cause of the 1986 space shuttle Challenger explosion. As the Discovery-owned cable net’s first-ever feature film, it’s …